Feature:1. 4x4 Ports: HD Multimedia Interface 1.4 switch for seamless switching. Four HD Multimedia Interface input ports and four HD Multimedia Interface output ports, supports four input ports that can output the same or different signal sources.2. Safe Protection: HD Multimedia Interface switcher with anti static technology to prevent electronic components from being damaged by static electricity. Anti surge technology enhances product stability.3. HD Video: HD Multimedia Interface switcher splitter provides 4Kx2K 30Hz video, enjoy high definition vision, feel the delicate world. 3D imaging technology, large screen viewing, enjoy three dimensional visual effects.4. Compatible Devices: Compatible with a variety of devices, plug and play. Support set top boxes, desktop PCs, laptops and other devices with HD Multimedia Interface ports to connect to monitors, projectors, etc.5. With Sound: The video switcher with sound separation synchronous output. Designed with 1 optical interface, 1 3.5mm interface, can be connected to speakers, headphones.6. Application: This video switcher splitter supports for Windows, for OS X and for Linux systems. No need to install driver. Suitable for home sharing, TV sales, advertising display, multimedia teaching, etc.Specification:Item Type: HD Multimedia Interface SwitchMaterial: Aluminum AlloyPlug Voltage: 100-240VRemote Control Built in Battery: 1 x CR2025 160mahHD Multimedia Interface Resolution: Up to 4K 30Hz Support Video Format: 8, 10, 12 Bit Deep ColorSupport Sound Format: DTS HD, for Dolby TrueHD, LPCM7.1, DTS, for Dolby AC3, DSD Maximum Baud Rate: 3x3.4Gbps Input Cable Distance: 4K 30Hz 15m/49.2ft AWG26 HD Multimedia Interface Standard CableOutput Cable Distance: 4K/30Hz 15m/49.2ft AWG26 HD Multimedia Interface Standard CableInput Port: HD Multimedia Interface x 4 Output Port: HD Multimedia Interface x 4 Maximum Operating Current: 0.6AOperating Temperature Range: -15 to +45 Operating Humidity Range: 5 to 90%RH (No Condensation).Package List:1 xHD Multimedia Interface Switch1 x Power Adapter1 x Remote Control1 x Instruction Manual